bob, what do you think when does the united states get involved? >> i think the fact they're mixing it is highly alarming, of course. if they start deploying this, if they start putting it on artillery shells, if it looks like they're going to really fire this stuff, you know, i don't see any choice but we're going to have to go in. the west is completely -- what i'd also like to say is, that with the alloites, the regime that runs syria, would they use it? absolutely. if their back is against the wall and they think they're going to go down, they will use any of these binary gases that would stop the revolt, what they would -- they are that desperate. i don't know that they're at that point, but if they do, we really have to think about going in. >> you've long been critical of how the administration has been handling this, do you think they should be intervening? >> there's a lot more we could have done. this red line, which i think is a good idea, and also, they could be -- they're certainly signalling to the assad regime. anything before that i